Fleece Rocker Bridges (FPE-BRAB-D1) for 2001-2016 Duramax LP7 / LLY / LBZ / LMM / LML

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The Fleece Rocker Bridges (FPE-BRAB-D1) are high-strength, precision components designed for 2001–2016 GM Duramax diesel engines (LB7, LLY, LBZ, LMM, LML). They enhance valvetrain stability and durability, making them ideal for high-performance or heavy-duty applications. Built to OEM specifications, these direct-fit bridges reduce engine wear, maintain proper valve geometry, and are compatible with both factory and aftermarket rocker arms.

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Description

The Fleece Rocker Bridges (FPE-BRAB-D1) are precision-engineered components designed specifically for 2001–2016 GM Duramax diesel engines, including the LB7, LLY, LBZ, LMM, and LML variants. These rocker bridges provide enhanced valvetrain stability and durability, making them a popular upgrade for performance enthusiasts and reliability-focused builders alike. Manufactured from high-strength materials and designed to exact OEM specifications, the Fleece Rocker Bridges help maintain proper valve geometry and reduce wear on critical engine components. They are especially beneficial in high-horsepower or towing applications where increased engine stress demands superior component integrity. Compatible with factory or aftermarket rocker arms, these bridges are a direct-fit solution that ensures long-lasting performance and peace of mind.

Additional information
Weight 2.0 lbs
Dimensions 4.0 × 4.0 × 3.0 in
Fitment

Fitment

  • 2001 GM Silverado/Sierra 2500/3500 6.6L LB7 Duramax
  • 2002 GM Silverado/Sierra 2500/3500 6.6L LB7 Duramax
  • 2003 GM Silverado/Sierra 2500/3500 6.6L LB7 Duramax
  • 2004 GM Silverado/Sierra 2500/3500 6.6L LB7 Duramax
  • 2004.5 GM Silverado/Sierra 2500/3500 6.6L LLY Duramax
  • 2005 GM Silverado/Sierra 2500/3500 6.6L LLY Duramax
  • 2006 GM Silverado/Sierra 2500/3500 6.6L LLY/LBZ Duramax
  • 2007 GM Silverado/Sierra 2500/3500 6.6L LLY/LBZ Duramax (classic body style)
  • 2007.5 GM Silverado/Sierra 2500/3500 6.6L LMM Duramax (new body style)
  • 2008 GM Silverado/Sierra 2500/3500 6.6L LMM Duramax
  • 2009 GM Silverado/Sierra 2500/3500 6.6L LMM Duramax
  • 2010 GM Silverado/Sierra 2500/3500 6.6L LMM Duramax
  • 2011 GM Silverado/Sierra 2500/3500 6.6L LML Duramax
  • 2012 GM Silverado/Sierra 2500/3500 6.6L LML Duramax
  • 2013 GM Silverado/Sierra 2500/3500 6.6L LML Duramax
  • 2014 GM Silverado/Sierra 2500/3500 6.6L LML Duramax
  • 2015 GM Silverado/Sierra 2500/3500 6.6L LML Duramax
  • 2016 GM Silverado/Sierra 2500/3500 6.6L LML Duramax
Features

Features

Machined from billet tool steel, the bridges are surface ground for flatness and nitrided to create a durable, low friction surface.  Includes 16 bridges. 

Installation

Installation

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About brand
Fleece Performance Engineering is a diesel performance manufacturer focused on reliability and precision engineering. The company designs parts that solve common diesel issues while supporting added power. Fleece products support daily driving, towing, and performance diesel trucks. Fleece engineers fuel system components, turbochargers, electronics, and emissions-compliant upgrades in house. Their parts improve efficiency, drivability, and long-term engine protection. Each product is tested for proper fit and consistent performance. Diesel owners trust Fleece for dependable upgrades. Whether maintaining a work truck or building for performance, Fleece delivers proven solutions designed for real-world use.
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